Centretown Observatory:

Baro. Pressure + Rel. Humidity

Times in Eastern Daylight Time (EDT = GMT-4)

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   LIVE OBSERVATIONS at CTO Weather Centre - Wednesday, April 22, 2026 at 03:29 EDT
   TODAY:

   Wednesday

   Reading

   Time

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Current Barometric Pressure:

               

   Maximum Today:

01:04     2012      

   Minimum:

03:04           2015

   Mean:

  2012 2015
 

   Current Relative Humidity:

50 %   55 %                

   Maximum Today:

50 % 03:09 55 %     98 % 2025      

   Minimum:

46 % 01:49 51 %           10 % 2018

   Mean:

48 %   53 % 58 % 83 % 2014 23 % 2017
 

   YESTERDAY:

   Tuesday

   Reading

   Time

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Maximum Barometric Pressure:

01:14   2012      

   Minimum:

23:49           2020

   Mean:

   mb 2012 2020
 

   Maximum Relative Humidity:

73 % 06:09 83 %     94 % 2024      

   Minimum:

34 % 12:04 36 %           1 % 2017

   Mean:

54 %   60 % 45 % 70 % 2015 1 % 2017
 

   TOMORROW:

   Thursday

         

   Normal

   RecHi

   YY

   RecLo

   YY

   Barometric Pressure:

              2022 2021

   Daily Mean BP:

           mb 2022 2015
 

   Relative Humidity:

              95 % 2024 11 % 2018

   Daily Mean RH:

          53 % 68 % 2023 23 % 2017
 

   THIS MONTH:

   Apr Means + Records

   Mean

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Monthly Mean BP:

 mb 2013 2020
 

   Monthly Mean RH:

71 % 71 % % 62 % 2018 22 % 2017
 

   Daily Extremes + Records

   Max

   DD

   Min

   DD

   RecHi

   YY-DD

   RecLo

   YY-DD

   Barometric Pressure:

08 18 2023-30 2020-17

   Daily Mean BP:

08 05 2023-30 2012-19
 

   Relative Humidity:

99 % 03 24 % 20 100 % 2024-05 1 % 2017-06

   Daily Mean RH:

98 % 16 50 % 08 98 % 2026-16 1 % 2017-06
 

   LAST MONTH:

   Mar Means + Records

   Mean

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Mean Barometric Pressure:

 mb 2021 2025
 

   Mean Relative Humidity:

69 % 70 % 60 % 70 % 2023 39 % 2017
 

   Daily Extremes + Records

   Max

   DD

   Min

   DD

   RecHi

   YY-DD

   RecLo

   YY-DD

   Barometric Pressure:

02 17 2020-22 2023-10

   Daily Mean BP:

02 16 2020-22 2023-10
 

   Relative Humidity:

99 % 07 26 % 02 100 % 2023-03 1 % 2017-27

   Daily Mean RH:

89 % 16 52 % 27 100 % 2023-05 1 % 2017-27
 

   NEXT MONTH:

   May Monthly Records

     Normal

   RecHi

   YY

   RecLo

   YY

   Mean Barometric Pressure:

   mb 2023 2017
 

   Mean Relative Humidity:

  56 % 68 % 2024 44 % 2023
 

   May Daily Records

 

   RecHi

   YY-DD

   RecLo

   YY-DD

   Barometric Pressure:

  2023-26 2023-01

   Daily Mean BP:

  2023-26 2023-01
 

   Relative Humidity:

  99 % 2013-23 1 % 2017-01

   Daily Mean RH:

  87 % 2015-11 1 % 2017-01
 

   THIS YEAR:

   2026 Means + Records

   Mean

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Annual Mean BP:

 mb 2013 2012
 

   Annual Mean RH:

72 % 72 % 61 % 77 % 2026 54 % 2013
 

   Monthly Extremes + Records

   Max

   MM

   Min

   MM

   RecHi

   YY-MM

   RecLo

   YY-MM

   Monthly Mean BP:

Mar Jan 2023-May 2018-Jul
 

   Monthly Mean RH:

77 % Jan 69 % Feb 83 % 2023-Jan 22 % 2017-Apr
 

   Daily Extremes + Records

   Max

   MM-DD

   Min

   MM-DD

   RecHi

   Date

   RecLo

   Date

   Barometric Pressure:

Jan-24 Mar-17 2023-05-26 2021-08-10

   Daily Mean BP:

Jan-24 Mar-17 2023-05-26 2021-08-10
 

   Relative Humidity:

99 % Mar-07 24 % Apr-20 100 % 2021-06-13 0 % 2019-06-16

   Daily Mean RH:

98 % Apr-16 50 % Apr-08 100 % 2022-12-31 1 % 2017-03-27
 

   LAST YEAR:

   2025 Means

   Mean

   Airport

   Normal

   Annual Mean BP:

 mb
 

   Annual Mean RH:

67 % 72 % 61 %

   Monthly Extremes

   Max

   MM

   Min

   MM

   Monthly Mean BP:

Oct Mar
 

   Monthly Mean RH:

80 % Nov 59 % Aug

   Daily Extremes

   Max

   MM-DD

   Min

   MM-DD

   Barometric Pressure:

Feb-02 Dec-29

   Daily Mean BP:

Oct-09 Dec-29
 

   Relative Humidity:

99 % Mar-04 14 % Oct-24

   Daily Mean RH:

94 % Oct-31 38 % May-11
This page was last regenerated 2026-04-22@03:30.
It is sheduled to be regenerated whenever there are new data; approximately every five minutes.
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BP - Live - Today:
 

RH - Live - Today:
 

BP - Live - Past 24 Hours:
 

RH - Live - Past 24 Hours:
 

BP - Live - Yesterday:
 

RH - Live - Yesterday:
 

BP - Live - Past 7 Days:
 

RH - Live - Past 7 Days: